<template>
    <div ref="bottom4" class="atmosphere-section">
        <div class="content-text"> </div>
    </div>
</template>
<style lang="less" scoped>
    .atmosphere-section {
    height: 200px;
    margin-top: 15px;
    margin-right:15px;
    position: relative;  
    background-image: url('../../assets/大气层.png');
    background-size: cover;    
    };
</style>